Question

Shekar is one member of a group of 5 persons. If 3 out of these 5 persons is to be chosen for a committee, find the probability of Shekar being in the committee.

Answer 1

P(3 Person) = 3C1
                        ____ 
                          5C3

3C1 = 3
5C3 = 5*4*2           20
            ____  =      ___
            1*2*3            3

P = 3              3*3
     ___   =   _____   =   9 / 20
    20/3           20